Add 56/72 and 30/70
56/72 + 30/70 is 76/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
56/72 = 56 × 35/72 × 35 = 1960/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
30/70 = 30 × 36/70 × 36 = 1080/2520 - Add the two like fractions:
1960/2520 + 1080/2520 = 1960 + 1080/2520 = 3040/2520 - 3040/2520 simplified gives 76/63
- So, 56/72 + 30/70 = 76/63
In mixed form: 113/63
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